// 通用边框
.public-border {
  background: linear-gradient(rgb(255, 255, 255), rgb(255, 255, 255)) left top,
    linear-gradient(rgb(255, 255, 255), rgb(255, 255, 255)) left top;
  background-repeat: no-repeat;
  background-size: 1px 10px, 5px 1px;
}